Terrible Experience with Amazon Customer Support Service

You can see in the text below, there are instance that sentences and words are incoherent.

Example 1

Here's a copy of the chat transcript you requested:
11:29 AM PST Divij(Amazon)Hello, my name is Divij. I'm here to help you today.
11:29 AM PST Nasim FekratHi Divij
11:31 AM PST Divijhow may I help you ?
11:31 AM PST Nasim Fekrathow is it going?
11:32 AM PST Nasim FekratA question
What is the annual charge for prime membership?
11:32 AM PST Divij$119 + tax
11:33 AM PST Nasim Fekrathow much tax?
I'd like to calculate and see if I can afford it
11:35 AM PST Divijtax depends on state to state 
11:36 AM PST Nasim FekratI'm in -----
11:38 AM PST Nasim Fekratare you there?
11:39 AM PST Divijyes 
11:39 AM PST Nasim FekratIt seems you are not willing chat with your customer 
11:39 AM PST Divijit's 7.99 
11:39 AM PST Nasim FekratOkay 
great. thank you
11:40 AM PST DivijIs there anything else I can assist you with today?
11:40 AM PST Nasim FekratSo, I was charged 13.09 for this month. If I add that up to 12 months, it would be $157.08. Why is that?
11:41 AM PST Nasim Fekratyou said it is $119+tax which is $126.99
11:42 AM PST Divijthis is because if you take annually pack it saves your money 
11:43 AM PST Nasim Fekratwhat do you mean?
11:44 AM PST Divijas if you take monthly pack you have to get tensed about the date of charged 
11:45 AM PST Nasim Fekratcan you explain that? What is monthly pack? and how it get tensed about the date of charged?
11:46 AM PST Divijyou have to remember the date so that you can pay accordingly 
11:47 AM PST Nasim Fekratso what is monthly pack? How much is it? 
Where can I find that on Amazon website?
11:48 AM PST Divijhttps://www.amazon.com/amazonprime?_encoding=UTF8&%2AVersion%2A=1&%2Aentries%2A=0
11:49 AM PST Nasim FekratOkay. What is monthly pack?
11:50 AM PST Divijits 13.09
11:50 AM PST Nasim Fekratis that the only price or there are different prices?
11:51 AM PST Divijthis is the only price 
11:52 AM PST Nasim Fekratwhat is this? https://www.amazon.com/gp/help/customer/display.html?nodeId=202213110
11:53 AM PST Divijit's a charge I told you about 
11:54 AM PST Nasim Fekratdid you check that link?
11:54 AM PST Divijyes 
11:54 AM PST Nasim Fekratwhat are those charges for?
Your link doesn't say anything, it is a general page
11:55 AM PST DivijStarting May 11, 2018, new members will be charged $119/year for an annual Prime membership and $59/year for an annual Prime Student membership.
Starting June 16, 2018, existing Prime members with an annual membership will renew at a rate of $119/year. Prime Student members with an annual membership will renew at a rate of $59/year.
Monthly Prime members continue to pay $12.99 per month. Monthly Prime Student members continue to pay $6.49 per month.

this was all written in this link
11:56 AM PST Nasim Fekratso, in your link nothing was written 
can you find the exact price?
I can't find $13.09 price there
11:57 AM PST DivijIts 119+tax for annual
12.99+ tax for monthly 

11:58 AM PST Divij13.09 is after tax
11:58 AM PST Nasim Fekratthat doesn't add up to $157.08
12:01 PM PST DivijI want to tell you if you take monthly charge it will cost you more rather then you can take yearly pack at discounted rate 
12:02 PM PST Nasim FekratBut you didn't tell me where that charge is posted on Amazon website
12:03 PM PST DivijShow them how to sign up through the Amazon Prime sign up link: http://www.amazon.com/prime
12:04 PM PST Divijyou can check on this 
12:04 PM PST Nasim Fekratshow to whom?
12:05 PM PST Divijthe word was written by mistake
12:05 PM PST Nasim FekratI checked that link. It says Special Offer: Try Amazon Prime for one week for only $1.99. (After one week, Prime is $12.99/month). Cancel anytime.
12:06 PM PST Nasim FekratWhere is $13.09?
12:06 PM PST Divijtax is not mentioned on website is depend on state to state I hope you understand this 
12:07 PM PST DivijAre we still connected ?
12:08 PM PST Nasim Fekratyes
wait a second
Okay. to add $7.99 tax to $119. that is $126.99
12:09 PM PST Nasim Fekratcan you figure out where this $13.09 is mentioned?
12:12 PM PST Nasim FekratAre you there?
You are too slow
12:12 PM PST DivijI am checking this for you 
12:12 PM PST Nasim FekratOk
12:16 PM PST DivijAmazon Prime is a membership program that offers many benefits, including FREE Two-Day shipping on millions of items, access to movies and TV shows, ad-free music, unlimited photo storage, and Kindle books. Membership is available for $119 annually or for $12.99 a month. You can view a complete list of benefits here:
http://www.amazon.com/gp/help/customer/display.html?nodeId=200444160
To become a member of Amazon Prime and for more information about our various Prime memberships, go to our Sign-up page:
http://www.amazon.com/prime
More information about Amazon Prime is also available on our Help pages:
http://www.amazon.com/help/prime 

12:17 PM PST Nasim Fekratgood
12:17 PM PST Divijhttps://www.amazon.com/gp/help/customer/display.html/ref=help_search_1-1?ie=UTF8&nodeId=201910250&qid=1550261846&sr=1-1
Please use the link to find every information about prime 
12:17 PM PST Nasim Fekratbut you didn't tell me where it says $13.09
12:18 PM PST Nasim FekratI see 12.99
12:18 PM PST Divijhttps://www.amazon.com/gp/help/customer/display.html?nodeId=200444160
Please check this link 
12:19 PM PST Nasim FekratIt seems you are oblivious.
12:19 PM PST DivijStarting May 11, 2018, new members will be charged $119/year for an annual Prime membership and $59/year for an annual Prime Student membership.
Starting June 16, 2018, existing Prime members with an annual membership will renew at a rate of $119/year. Prime Student members with an annual membership will renew at a rate of $59/year.
Monthly Prime members continue to pay $12.99 per month. Monthly Prime Student members continue to pay $6.49 per month.

12:19 PM PST Nasim Fekratyou deserve a complaint 
12:20 PM PST DivijI am sorry you feel that way, however I have tried to provide you the best help possible.
Is there anything else I can assist you with today?
12:20 PM PST Nasim Fekratno sir
12:20 PM PST DivijThank you for contacting Amazon. Please click on the "End Chat" to close this window.